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Cisco Bug: CSCuj42826 - %C5510-1-NO_RING_DESCRIPTORS: No more ring descriptors available/DSP

Last Modified

Jan 26, 2015

Products (1)

  • Cisco IOS

Known Affected Releases

24.3(8)DSP

Description (partial)

Symptom:
Problem description: 
Issues with calls dropping or loosing audio. The issue is random and on the logs we see the following:

*Sep 10 12:22:05.363 EDT: %C5510-1-C5510_CHPI_ERROR: cHPI error for pa_bay 0 pump 0 dsp 1.
*Sep 10 12:22:07.923 EDT: %C5510-1-NO_RING_DESCRIPTORS: No more ring descriptors available on slot 0 dsp 1.
*Sep 10 12:22:12.923 EDT: %C5510-1-NO_RING_DESCRIPTORS: No more ring descriptors available on slot 0 dsp 1.
*Sep 10 12:22:19.376 EDT: %C5510-1-NO_RING_DESCRIPTORS: No more ring descriptors available on slot 0 dsp 1.
*Sep 10 12:22:24.684 EDT: %DSPRM-5-UPDOWN: DSP 1 in slot 0, changed state to up

Conditions:
Device: Cisco 2851
c2800nm-adventerprisek9-mz.124-15.T17
PVDM2-64 with firmware: 24.3.8

Hardware and DSPs have been replaced.
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